The Faculty of Agriculture: Filter by: Subject
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farmyard manure (2) |
Phosphor (2) |
phosphorus (2) |
Agrarumweltindikator (1) |
agro-environmental indicator (1) |
ammonia (1) |
Ammoniak (1) |
biological nitrogen fixation (1) |
biologische Stickstoffbindung (1) |
cattle (1) |